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#pragma once
#include <Storages/System/IStorageSystemOneBlock.h>
namespace DB
{
class Context;
/** Implements `zookeeper` system table, which allows you to view the data in ZooKeeper for debugging purposes.
*/
class StorageSystemZooKeeper final : public IStorage
{
public:
explicit StorageSystemZooKeeper(const StorageID & table_id_);
std::string getName() const override { return "SystemZooKeeper"; }
static NamesAndTypesList getNamesAndTypes();
SinkToStoragePtr write(const ASTPtr & /*query*/, const StorageMetadataPtr & /*metadata_snapshot*/, ContextPtr /*context*/, bool /*async_insert*/) override;
void read(
QueryPlan & query_plan,
const Names & /*column_names*/,
const StorageSnapshotPtr & storage_snapshot,
SelectQueryInfo & query_info,
ContextPtr context,
QueryProcessingStage::Enum /*processed_stage*/,
size_t /*max_block_size*/,
size_t /*num_streams*/) override;
bool isSystemStorage() const override { return true; }
bool supportsIndexForIn() const override { return true; }
bool mayBenefitFromIndexForIn(const ASTPtr & node, ContextPtr, const StorageMetadataPtr &) const override;
};
}
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